diff options
Diffstat (limited to 'misc/tools/kconfig-frontends/utils/tweak.in')
| -rw-r--r-- | misc/tools/kconfig-frontends/utils/tweak.in | 58 |
1 files changed, 49 insertions, 9 deletions
diff --git a/misc/tools/kconfig-frontends/utils/tweak.in b/misc/tools/kconfig-frontends/utils/tweak.in index 7734522cc..c58dc81ef 100644 --- a/misc/tools/kconfig-frontends/utils/tweak.in +++ b/misc/tools/kconfig-frontends/utils/tweak.in @@ -1,6 +1,8 @@ #!/bin/bash # Manipulate options in a .config file from the command line +myname=${0##*/} + # If no prefix forced, use the default @CONFIG_@ CONFIG_="${CONFIG_-@CONFIG_@}" @@ -8,7 +10,7 @@ usage() { cat >&2 <<EOL Manipulate options in a .config file from the command line. Usage: -config options command ... +$myname options command ... commands: --enable|-e option Enable option --disable|-d option Disable option @@ -33,14 +35,14 @@ options: --file config-file .config file to change (default .config) --keep-case|-k Keep next symbols' case (dont' upper-case it) -config doesn't check the validity of the .config file. This is done at next +$myname doesn't check the validity of the .config file. This is done at next make time. -By default, config will upper-case the given symbol. Use --keep-case to keep +By default, $myname will upper-case the given symbol. Use --keep-case to keep the case of all following symbols unchanged. -config uses '@CONFIG_@' as the default symbol prefix. Set the environment -variable CONFIG_ to the prefix to use. Eg.: CONFIG_="FOO_" config ... +$myname uses '@CONFIG_@' as the default symbol prefix. Set the environment +variable CONFIG_ to the prefix to use. Eg.: CONFIG_="FOO_" $myname ... EOL exit 1 } @@ -60,15 +62,52 @@ checkarg() { fi } +txt_append() { + local anchor="$1" + local insert="$2" + local infile="$3" + local tmpfile="$infile.swp" + + # sed append cmd: 'a\' + newline + text + newline + cmd="$(printf "a\\%b$insert" "\n")" + + sed -e "/$anchor/$cmd" "$infile" >"$tmpfile" + # replace original file with the edited one + mv "$tmpfile" "$infile" +} + +txt_subst() { + local before="$1" + local after="$2" + local infile="$3" + local tmpfile="$infile.swp" + + sed -e "s:$before:$after:" "$infile" >"$tmpfile" + # replace original file with the edited one + mv "$tmpfile" "$infile" +} + +txt_delete() { + local text="$1" + local infile="$2" + local tmpfile="$infile.swp" + + sed -e "/$text/d" "$infile" >"$tmpfile" + # replace original file with the edited one + mv "$tmpfile" "$infile" +} + set_var() { local name=$1 new=$2 before=$3 name_re="^($name=|# $name is not set)" before_re="^($before=|# $before is not set)" if test -n "$before" && grep -Eq "$before_re" "$FN"; then - sed -ri "/$before_re/a $new" "$FN" + txt_append "^$before=" "$new" "$FN" + txt_append "^# $before is not set" "$new" "$FN" elif grep -Eq "$name_re" "$FN"; then - sed -ri "s:$name_re.*:$new:" "$FN" + txt_subst "^$name=.*" "$new" "$FN" + txt_subst "^# $name is not set" "$new" "$FN" else echo "$new" >>"$FN" fi @@ -77,7 +116,8 @@ set_var() { undef_var() { local name=$1 - sed -ri "/^($name=|# $name is not set)/d" "$FN" + txt_delete "^$name=" "$FN" + txt_delete "^# $name is not set" "$FN" } if [ "$1" = "--file" ]; then @@ -105,7 +145,7 @@ while [ "$1" != "" ] ; do ;; --refresh) ;; - --*-after) + --*-after|-E|-D|-M) checkarg "$1" A=$ARG checkarg "$2" |